import numpy as np

P = [62.59, 62.66, 75.38, 95.18, 48.1, 69.62, 66.66, 93.32, 54.34, 63.85, 78.3, 93.87]
R = [91.47, 93.02, 90.11, 90.8, 93.41, 94.18, 92.24, 91.47, 92.12, 93.79, 89.53, 87.78]
F1 = []
for p, r in zip(P, R):
    F1.append(2 * r * p / (r + p))
F1 = np.array(F1)
print(np.mean(F1))
